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New Focus 1801, User Manual

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New Focus 1801 User Manual Download Page 4

 

125-MHz Photoreceivers

Contents • 3

 

Contents

 

Operation

5

 

Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Handling Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Using the Photodetector  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8

 

 Characteristics

11

 

Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Photodetector Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

 

Customer Service

13

 

Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

 

18X1 HS rcvr rev G.fm  Page 3  Thursday, September 20, 2001  2:08 PM

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for 1801

Page 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Page 2: ...ndling these detectors or making connections A ground strap provides the most effective grounding and minimizes the likelihood of electrostatic damage 5215 Hellyer Ave San Jose CA 95138 1001 USA phone 408 284 6808 fax 408 284 4824 e mail contact newfocus com www newfocus com 18X1 HS rcvr rev G fm Page 1 Thursday September 20 2001 2 08 PM Artisan Technology Group Quality Instrumentation Guaranteed ...

Page 3: ...mplied and does not cover incidental or consequential loss Copyright 2001 New Focus Inc All rights reserved The symbol and NEW FOCUS Inc are registered trademarks of NEW FOCUS Inc Document Number 180413 Rev G 18X1 HS rcvr rev G fm Page 2 Thursday September 20 2001 2 08 PM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 4: ...todetector 6 Theory 8 Characteristics 11 Physical Specifications 11 Photodetector Specifications 12 Customer Service 13 Technical Support 13 Service 13 18X1 HS rcvr rev G fm Page 3 Thursday September 20 2001 2 08 PM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 5: ...4 Contents NEW FOCUS Inc 18X1 HS rcvr rev G fm Page 4 Thursday September 20 2001 2 08 PM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 6: ...s shielded to avoid RF pickup New Focus offers two models to match your different wavelength needs The specifications at the rear of the manual list each model s characteristics These units address nearly all of the general purpose needs of the RF photoreception community They all have a very large gain bandwidth product low noise high drive capability and a large dynamic range These receivers wil...

Page 7: ...he back of the module and the other end into a 15 V power supply We recommend the New Focus Model 0901 power supply Turn on the supply Two different power cables have been shipped with your detector a Model 0921 banana plug to microconnector cable and a Model 0922 microconnector to microconnector cable If you have a New Focus Model 0901 power supply use the Model 0922 cable on one of the supply s ...

Page 8: ...cw saturation power specification on page 12 The input power is wavelength dependent and is inversely proportional to the responsivity To set up the output connection 1 If your RF measurement instrument has a male connector connect it directly to the SMA female output connector labeled AC on AC coupled units on the back of the module 2 If your instrument has a female connector con nect with the ap...

Page 9: ...ode which is intrinsically low speed while maintaining a large bandwidth with flat response This is accomplished by having the gain of the output stage increase with frequency As a result of the increasing gain the noise floor of the receiver increases starting at approx 40 MHz and having a soft peak at approxi mately 110 MHz The equivalent input noise current at the peak is greater than the low f...

Page 10: ...sion gain of 2 4x104 V W the expected output noise voltage is 5 9 mVrms Figure 1 Functional block diagram of Models 1801 1811 DC Versions Figure 2 Functional block diagram of Models 1801 1811 AC Versions Hz Hz Hz Hz Optical Input Transimpedance Amplifier Compensating Difference Amplifier Output Vb G f I V Compensating Difference Amplifier G f AC Coupled Output I V Optical Input V V I V Transimpeda...

Page 11: ...om At DC the noise floor is 3 3 pW for Model 1801 2 5 pW for Model 1811 0 6 0 4 0 2 0 0 800 600 1000 1200 Wavelength nm Responsivity A W 400 800 1000 1200 1400 1600 1800 0 00 0 20 0 40 0 60 0 80 1 00 Wavelength nm Responsivity A W Hz Hz Frequency MHz 10 dB div 0 40 80 120 160 200 18X1 HS rcvr rev G fm Page 10 Thursday September 20 2001 2 08 PM Artisan Technology Group Quality Instrumentation Guara...

Page 12: ... version DC bias output SMB connector included with AC versions only 8 32 M4 thread 1 43 36 3 2 86 72 6 3 00 76 2 Front View Side View Back View Bottom View 18X1 Made in USA 2 07 52 7 1 00 25 4 Distance from window face to photodetector 1801 2 5 mm 1811 0 5 mm 18X1 HS rcvr rev G fm Page 11 Thursday September 20 2001 2 08 PM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE ...

Page 13: ...oupled version 40 V mA AC 1 V mA DC 40 V mA AC 1 V mA DC Transimpedance Gain DC coupled version 40 V mA 40 V mA Output Impedance 50 Ω 50 Ω Minimum NEP 3 3 pW 2 5 pW CW Saturation Power 120 µW 950 nm 120 µW 950 nm Maximum Pulse Power 5 mW 5 mW Detector Material Type Silicon PIN InGaAs PIN Detector Diameter 0 8 mm 0 3 mm FS 0 1 mm FC Power Requirements 15 V DC 250 mA 15 V DC 250 mA Optical Input FC ...

Page 14: ...US 1 866 683 6287 from the USA Canada only Phone 408 284 6808 Support is also available by fax and email Fax 408 980 8883 Email techsupport newfocus com We typically respond to faxes and email within one business day Service In the event that the photoreceiver malfunctions or becomes damaged please contact New Focus for a return authorization number and instructions on shipping the unit back for e...

Page 15: ...14 Customer Service NEW FOCUS Inc 18X1 HS rcvr rev G fm Page 14 Thursday September 20 2001 2 08 PM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 16: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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